Valve.



' E. J. MoGARTY.

VALVE.

APPLICATION FILED AUG. 27, 1908.

Patentd Aug. 2, 1910.

'I DFSTATES oFFIoE.

EUGENE J'. MOOARTY, OF CLINTON, MASSACHUSETTS.

To all whom it may concern:

Be it known that I, EUGENE J. MoCAR'rY,

' a citizen of the United States, residing at Clinton, in the county ofWorcester and State of Massachusetts, have invented a new and usefulValve, of which the following is a specification. v

. This invention relates'to valves, and while capable of general use,certain features thereof are particularly applicable to globe valves.

The principal objects of the invention are i to provide such aconstruction and method of manufacture that the valve can be made out ofa plurality of pieces of sheet steel,

. single set of dies valves of several different forms can. be produced;also to provide an improved form of valve and valve stem particularlysuited for use with a sheet metal casing. The invention also comprisesvarious improvements in the details of construction.

Further objects and advantages of the invention will appear hereinafter.

Reference is to be had to the accompanying? drawing, in whichigure 1 isa side elevation of.a globe .valve constructed according to thisinvention; Fig. 2 is a longitudinal sectional view of the same; and Fig.3 is an elevation of a valve construct/ed like that shown in Fig. 1,,

but with one of "the parts reversed so as to alter the shape of thevalve, and also show ing other modifications, Fig. 4 is a side elevationof a modified form. A globe valve constructed according to thisinvention has acasing preferablyconsisting of two main members 10 and11' which are in a sense complementary to each other, and anintermediate member 12. Each of these members is preferably formed ofsheet steel and shaped up in dies. The

-members 10 and 11 are provided with flanges 13 and 14 respectively,which are located at an angle of 45 degrees to the axes of the inletsand outlets 15 thereof. These flanges preferably extend outwardly andare circular in shape. The intermediate member 12 consists of a disk ofsheet steel of circular form and of the same size as the outer pe- JSpecification of Letters Patent. I

Application filed August 27, 1908. SerialNo. 450,473.

VALVE.

Patented Augzfi, rare.

2 riphery of said flanges and is stamped up to form a perforation 16therein. It is provided with a valve seat which may be integral with thewalls of the disk, or as shownin Fig. 2, it may consist ofza piece ofcomposition, bronze, nickelbronze, or the like 17 set on the disk andelectrically welded or otherwise secured thereto. The ends of the valve18 may be castings screwed on to the outsides of the outlets andinlets15 as shown in Figs. 1 and 2, or they may be welded or otherwisesecured to form flanges 19 as shown in Fig. 3. The edges'of the disk aresecured to the flanges preferably by electrical welding in the formshown in Figs. 1 and 2, or they may be bolted or riveted as shown inFig. 3. Riveting is especially suitable for large sizes. It will be seenthat in as sembllng the parts the disk 12 can be placed against theflange 14 and then the flange 13 can be placed against the other side ofthe disk, and the member 10 turned on the axis of said flange until itcomes to the proper position, and then the parts are secured together inany desired way. In this way it will be seen that with a single set ofdies for each member a large varialon may be made 1n the shapes andsizes of 'valves to be pro;

duced. On account of the angle of 45 degrees of the flanges the member10 can be turned to various angles so as to produce elbows, PS, and thelike, one ofthe forms in which it can be applied being shown in Fig. 3,and another in Fig. 4.

It will be understood, of course, that while 45 degreesis a mostconvenient angle, yet *any other angle may be adopted according to thenecessities of the case. In order to further change the angle betweenthe outlets 15, another'plan can be adopted according to this invention.This consists in'formlng the members 10 and 11 in the same way asindicated above, and leaving the member 11 in its original shape, butaltering the flange 13 so as to permit the two members 10 and 11 to beput togetherwith the outlets at varyin angles to each other. This 1spreferabTy done by turning the flange 13 back in dies or in any otherdesired way, starting at either the upper or lower edge and workingtoward the opposite edge on a predeteremined angle. In the formindicated 1n Fig. 1 the member 10 is shown in the position which itwould occupy when connected up i l L member is shown with the fiangeturned back in this way so as to alter the angle slightly. When this isdone all that is necessary to do is to trim off the flange. around theedge and "then unite the pieces as indicated above. "Thus a large numberof modi-- a packing 22 being employed as will be 'readily understood. Avalve stem 23 is passed down through the member 21, and provided with acircumferential groove 24. The member 21 is then pressed in at 25 toforman annular depression which rojects' into the groove inside andforms-a earing permitting-the valve stem to be turned with-. out movinglongitudinally. The valve stem is provided with a screw thread 26- whichfits an internally screw-threaded projection 27 on the back of a valve28. lhis valve is shown as provided with a composition face 39, and it1s preferably guided so that it cannot turn by; a guide 31. By thisconstruction a non-rotatable valve is provided which will notunnecessarily-wear-the seat, and a most convenient, simple, andinexpensive construction is secured.

It will be understood that while I have without departing from the scopeof the invention 'as expressedin the-claims. Therefore, I do not wish tobe limited to all the getails of construction shown and described, ut

WhatT do claim is 1. The method of making a globe valve which consistsin forming up two piecesof. sheet metal in dies into a generalhemispherical shape, each having a circular edge and a tubularprojection opposite the edge in such position that when the edges areplaced together said projections'will'be in diametrical alinement,turning the edge of one of said members back on an angleso as to bringsaid edge into a plane-at a new ,angle to the axis of said-projection,placing: a disk-shaped sheet metal'member having a, valve;seat thereonbetween said first twomembers with the ed es'of said first two membersin contactwith the opposite sidesof the disk-shaped-member, and thenuniting said edges with the disk-shaped member.

2. The method of-making a valve which;

consists in placing a tubular member on the valve chamber roper, placingin said tubu lar member-a valve-stem havlng an annular stem, and agroove and formin an annular depression on the outside of sa1d tubularmember while the valve-stem is in place projecting into said groove soas to hold the valve-stem in position. J

3. The method of making a valve which -consists informing thevalvechamber from a'plurality of pieces of sheet metal, welding sa1d piecestogether, placing a tubular member upon one of said members, and a valvestem in said tubular member, said valve stem having an annular groove,and forming an annular depression on the outside of said tubular memberso as to form a bead inside the same projecting inside said groove.

4.1m a valve, the combination of'a valve chamber consisting ofv threepieces of'sheet steel and having a valve seat therein, of a sheet,metal'tubular member secured on one of said pieces and having acircular projec tion in the neck thereof, a valvestm' extending throughsaid sheet metal member and having an annular oove therein fitting saidprojection, where y said valve stem may be turned therein without movingit longitudinally, said valve stem having a screw thread on theendthereof, a valve consisting-of a disk 1 rovided with an internally screwthrea ed projection fittin the thread on the ide for sai valve.

5. In a va ve, the combination of a casing,

and a guide for the valve, whereby the turning ofthe valve'stem willresult in longitudinal motion of the valve without rotating it.

6. As an article of manufacture, a globe I valve formed of sheet steeland having-a perforated inner partition, and a composite valve seatwelded on said perforation thereof.

7. In a valve, the combination with a partition over the valve chamber,of a sheet metal tubular niember secured thereon and having an interiorcircular projection in the neck thereof, a valve stem extendin throughsaid sheet metal member and 'aving an annular groovev therein forreceiving saidprojection, whereby said -valve-stem can be turned thereinwithout moving longitudinally, said valvestem having a screw-thread onthe en'd"thereof, and a valve provided with an: internallyscrew-threaded projection fitting the thread on the stem. j

8. In a valve, the combination with a'valve chamber, of a sheet metaltubular member secured thereon and'having an interior circular proection in the neck thereof, a valve stem extending through said sheetmetal member and having an annular groove thereface of said sheet steeldisk over the pe'rforain for recelving said projection, whereby tion,and a valve for said seat.

said valve-stem can be turned therein with- In testimony whereof I havehereunto set out moving longitudinally. my hand, in the presence of twosubscribing 5 9. In a valve, the combination of two sheet wltnesses.

steel complementary members, a sheet steel disk welded to both of saidmembers and ex- I EUGENE MCCARTY' tending through them and provided witha Witnesses: perforation near the center thereof, a com- ALBERT E. FAY,

10 position valve seat welded on the flat sur- '0. FORREST WESSON.

